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SainSmart

SainSmart 4-Channel Relay Module

    • Based on 402 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Friday, May 24
Order within 14 hours and 28 minutes
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Pattern Name: Module


Features

  • 5V 4-Channel Relay interface board, and each one needs 15-20mA Driver Current
  • Equipped with high-current relay, AC250V 10A ; DC30V 10A
  • Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP431, TTL logic)
  • Indication LED's for Relay output status

Description

This is a 5V 4-Channel Relay interface board, Be able to control various appliances, and other equipments with large current. It can be controlled directly by Microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).


Connector Type: ‎/


Contact Material: ‎/


Contact Type: ‎/


Current Rating: ‎10 Amps


Mounting Type: ‎/


Brand: ‎SainSmart


Maximum Switching Current: ‎10 Amps


Specification Met: ‎/


Item model number: ‎101-70-101


Item Weight: ‎0.01 ounces


Product Dimensions: ‎4.5 x 3.2 x 1.19 inches


Item Dimensions LxWxH: ‎4.5 x 3.2 x 1.19 inches


Manufacturer: ‎SainStore Inc.


Is Discontinued By Manufacturer: ‎No


Date First Available: ‎June 23, 2011


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, May 24

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Works Perfect.......Here is a working Sketch!
Pattern Name: Module
This sketch will stop the Relays from toggling on reset... From arduino serial monitor numbers 0-7 control the relays and print back their state. Here it is, Enjoy! //From the Serial monitor- 0=Relay 1 off, 1=Relay 1 on, 2=Relay 2 off, 3=Relay 2 on, 4=Relay 3 off, 5=Relay 3 on, 6=Relay 4 off, 7=Relay 4 on void setup(){ Serial.begin(9600); //Set all the pins high so they do not toggle on Reset or Power on! digitalWrite(2, HIGH); digitalWrite(3, HIGH); digitalWrite(4, HIGH); digitalWrite(5, HIGH); //Set all the pins we need to output pins pinMode(2, OUTPUT); pinMode(3, OUTPUT); pinMode(4, OUTPUT); pinMode(5, OUTPUT); } void loop (){ if (Serial.available()) { //read serial as a character char ser = Serial.read(); //NOTE because the serial is read as "char" and not "int", the read value must be compared to character numbers //hence the quotes around the numbers in the case statement switch (ser) { {case '0': int pin(2); digitalWrite(pin, HIGH); Serial.println(" Relay 1 OFF");} break; {case '1': int pin(2); digitalWrite(pin, LOW); Serial.println(" Relay 1 ON");} break; {case '2': int pin(3); digitalWrite(pin, HIGH); Serial.println(" Relay 2 OFF");} break; {case '3': int pin(3); digitalWrite(pin, LOW); Serial.println(" Relay 2 ON");} break; {case '4': int pin(4); digitalWrite(pin, HIGH); Serial.println(" Relay 3 OFF");} break; {case '5': int pin(4); digitalWrite(pin, LOW); Serial.println(" Relay 3 ON");} break; {case '6': int pin(5); digitalWrite(pin, HIGH); Serial.println(" Relay 4 OFF");} break; {case '7': int pin(5); digitalWrite(pin, LOW); Serial.println(" Relay 4 ON");} break; } } } ... show more
Reviewed in the United States on March 16, 2013 by Jay
    • Great Arduino Output Interface
Pattern Name: Module
What a great output interface for the Arduino; and only ten bucks! Works perfectly, excellent quality. When you get it, you'll discover that the 4 outputs each have NO/NC contacts. That's good, you can choose the one you need; but the relays are activated by a digital LOW input. That may conflict with your plans because an Arduino output initializes to LOW and that may cause problems with relays cycling on power up before the program initializes. Easy to fix however. The Arduino outputs can be initialized HIGH before they are ready to sink current. Study the following Arduino setup code and you'll save time digging up this info elsewhere: void setup() { pinMode(RelayK1ctrlPin,INPUT_PULLUP); //Configure relay ctrl pins Hi before changing to output pinMode(RelayK2ctrlPin,INPUT_PULLUP); // pinMode(RelayK3ctrlPin,INPUT_PULLUP); // pinMode(RelayK4ctrlPin,INPUT_PULLUP); // pinMode(RelayK1ctrlPin,OUTPUT); //Re-Configure relay ctrl pins as outputs initialized Hi previously pinMode(RelayK2ctrlPin,OUTPUT); // pinMode(RelayK3ctrlPin,OUTPUT); // pinMode(RelayK4ctrlPin,OUTPUT); // ... show more
Reviewed in the United States on April 9, 2015 by Rick
    • Works perfect for my raspberry pi automated sprinkler system
Pattern Name: Module
Works perfect for my raspberry pi automated sprinkler system. My home sprinkler unit topped working and so I had a complete sprinkler system with no controller. The main (12v) power also was still working. With only this part I now have a raspberry pi online automated sprinkler system. NOTE that I did already have a working wifi connected raspberry pi. With the free open source SIP software and this inexpensive board I now have a fully online connected sprinkler. Follow following link for all information to download and install SIP sprinkler software.[...] ... show more
Reviewed in the United States on August 13, 2016 by regex1771
    • Works great
Pattern Name: Module
I installed these into my Jeep to drive some high current accessories, so I was worried about current draw when the vehicle wasn't running. They have very low current draw, and I've gone up to a week without starting my Jeep and there wasn't any issues. The relays also have diodes across the relays to prevent high voltage spikes when the relays have power removed, so while this isn't specified in the package info, it's nice to see them installed. The only issue I've run into was due to my own stupidity, I drug +12volts across the PCB and blew out 2 of the LED indicator lamps. While they no longer work, the relays work perfectly. ... show more
Reviewed in the United States on September 4, 2017 by Denis Dimick
    • Good
Pattern Name: Module
I wasn't able to hook this up to my Arduino for almost a month after receiving it. After I got it working, I was able to run a few tests but then all of a sudden it stopped responding (and of course 4 days past the Amazon return window). I tested each leg of the circuit and re-checked my code, but to no avail. Rather than posting a 1-star review, I emailed the seller to explain my situation and they immediately sent me a replacement! Hooked the new one up and it works perfectly - I am now switching some 120V AC circuits and 12V DC circuits with ease the way it was intended. Although I ran into a hiccup at first, SainStore provided great customer service which kept me a happy customer. I have purchased other items from them before and will continue to look for the name of this seller when determining who to purchase from. ... show more
Reviewed in the United States on December 21, 2013 by James

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